Examples with SecureFileOutputStream net.i2p.util.SecureFileOutputStream used on opensource projects

Example 11 with SecureFileOutputStream

use of net.i2p.util.SecureFileOutputStream in project i2p.i2p by i2p.

the class SingleFileNamingService method remove.

/**
 *  @param hostname case-sensitive; caller should convert to lower case
 *  @param options ignored
 */
@Override
public boolean remove(String hostname, Properties options) {
    BufferedReader in = null;
    BufferedWriter out = null;
    if (!getWriteLock())
        return false;
    try {
        if (!_file.exists())
            return false;
        if (_isClosed)
            return false;
        in = new BufferedReader(new InputStreamReader(new FileInputStream(_file), "UTF-8"), 16 * 1024);
        File tmp = SecureFile.createTempFile("temp-", ".tmp", _file.getAbsoluteFile().getParentFile());
        out = new BufferedWriter(new OutputStreamWriter(new SecureFileOutputStream(tmp), "UTF-8"));
        String line = null;
        String search = hostname + '=';
        boolean success = false;
        while ((line = in.readLine()) != null) {
            if (line.startsWith(search)) {
                success = true;
                continue;
            }
            out.write(line);
            out.newLine();
        }
        in.close();
        out.close();
        if (!success) {
            tmp.delete();
            return false;
        }
        success = FileUtil.rename(tmp, _file);
        if (success) {
            for (NamingServiceListener nsl : _listeners) {
                nsl.entryRemoved(this, hostname);
            }
        }
        return success;
    } catch (IOException ioe) {
        _log.error("Error removing " + hostname, ioe);
        return false;
    } finally {
        if (in != null)
            try {
                in.close();
            } catch (IOException e) {
            }
        if (out != null)
            try {
                out.close();
            } catch (IOException e) {
            }
        releaseWriteLock();
    }
}

Example 12 with SecureFileOutputStream

use of net.i2p.util.SecureFileOutputStream in project i2p.i2p by i2p.

the class AddressbookBean method save.

private void save() throws IOException {
    String filename = properties.getProperty(getBook() + "_addressbook");
    FileOutputStream fos = null;
    try {
        fos = new SecureFileOutputStream(new File(addressbookDir(), filename));
        addressbook.store(fos, null);
    } finally {
        if (fos != null) {
            try {
                fos.close();
            } catch (IOException ioe) {
            }
        }
    }
}

Example 13 with SecureFileOutputStream

use of net.i2p.util.SecureFileOutputStream in project i2p.i2p by i2p.

the class DataHelper method storeProps.

/**
 * Writes the props to the file, unsorted (unless props is an OrderedProperties)
 * Note that this does not escape the \r or \n that are unescaped in loadProps() above.
 * As of 0.8.1, file will be mode 600.
 *
 * Properties from the defaults table of props (if any) are not written out by this method.
 *
 * Leading or trailing whitespace in values is not checked but
 * will be trimmed by loadProps()
 *
 * @throws IllegalArgumentException if a key contains any of "#=\n" or starts with ';',
 *                                  or a value contains '#' or '\n'
 */
public static void storeProps(Properties props, File file) throws IOException {
    FileOutputStream fos = null;
    PrintWriter out = null;
    IllegalArgumentException iae = null;
    File tmpFile = new File(file.getPath() + ".tmp");
    try {
        fos = new SecureFileOutputStream(tmpFile);
        out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(fos, "UTF-8")));
        out.println("# NOTE: This I2P config file must use UTF-8 encoding");
        for (Map.Entry<Object, Object> entry : props.entrySet()) {
            String name = (String) entry.getKey();
            String val = (String) entry.getValue();
            if (ILLEGAL_KEY.matcher(name).matches()) {
                if (iae == null)
                    iae = new IllegalArgumentException("Invalid character (one of \"#;=\\r\\n\") in key: \"" + name + "\" = \"" + val + '\"');
                continue;
            }
            if (ILLEGAL_VALUE.matcher(val).matches()) {
                if (iae == null)
                    iae = new IllegalArgumentException("Invalid character (one of \"#\\r\\n\") in value: \"" + name + "\" = \"" + val + '\"');
                continue;
            }
            out.println(name + "=" + val);
        }
        if (SHOULD_SYNC) {
            out.flush();
            fos.getFD().sync();
        }
        out.close();
        if (out.checkError()) {
            out = null;
            tmpFile.delete();
            throw new IOException("Failed to write properties to " + tmpFile);
        }
        out = null;
        if (!FileUtil.rename(tmpFile, file))
            throw new IOException("Failed rename from " + tmpFile + " to " + file);
    } finally {
        if (out != null)
            out.close();
        if (fos != null)
            try {
                fos.close();
            } catch (IOException ioe) {
            }
    }
    if (iae != null)
        throw iae;
}

Example 14 with SecureFileOutputStream

use of net.i2p.util.SecureFileOutputStream in project i2p.i2p by i2p.

the class PrivateKeyFile method write.

/**
 *  Copied from I2PClientImpl.createDestination()
 */
public void write() throws IOException, DataFormatException {
    OutputStream out = null;
    try {
        out = new SecureFileOutputStream(this.file);
        this.dest.writeBytes(out);
        this.privKey.writeBytes(out);
        this.signingPrivKey.writeBytes(out);
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException ioe) {
            }
        }
    }
}

Example 15 with SecureFileOutputStream

use of net.i2p.util.SecureFileOutputStream in project i2p.i2p by i2p.

the class EventLog method addEvent.

/**
 *  Append an event. Fails silently.
 *  @param event no spaces or newlines, e.g. "started"
 *  @param info no newlines, may be blank or null
 *  @throws IllegalArgumentException if event contains a space or either contains a newline
 */
public synchronized void addEvent(String event, String info) {
    if (event.contains(" ") || event.contains("\n") || (info != null && info.contains("\n")))
        throw new IllegalArgumentException();
    _cache.remove(event);
    _cacheTime.remove(event);
    OutputStream out = null;
    try {
        out = new SecureFileOutputStream(_file, true);
        StringBuilder buf = new StringBuilder(128);
        buf.append(_context.clock().now()).append(' ').append(event);
        if (info != null && info.length() > 0)
            buf.append(' ').append(info);
        if (SystemVersion.isWindows())
            buf.append('\r');
        buf.append('\n');
        out.write(buf.toString().getBytes("UTF-8"));
    } catch (IOException ioe) {
    } finally {
        if (out != null)
            try {
                out.close();
            } catch (IOException ioe) {
            }
    }
}